19180658

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{397}}^1$

素因数の和:459

約数の個数: 48

約数和(自身を含む): 36751320

約数和(自身を除く): 17570662

約数列:

[1, 2, 7, 14, 17, 29, 34, 49, 58, 98, 119, 203, 238, 397, 406, 493, 794, 833, 986, 1421, 1666, 2779, 2842, 3451, 5558, 6749, 6902, 11513, 13498, 19453, 23026, 24157, 38906, 47243, 48314, 80591, 94486, 161182, 195721, 330701, 391442, 564137, 661402, 1128274, 1370047, 2740094, 9590329, 19180658]

約数ペア:

[(1, 19180658), (2, 9590329), (7, 2740094), (14, 1370047), (17, 1128274), (29, 661402), (34, 564137), (49, 391442), (58, 330701), (98, 195721), (119, 161182), (203, 94486), (238, 80591), (397, 48314), (406, 47243), (493, 38906), (794, 24157), (833, 23026), (986, 19453), (1421, 13498), (1666, 11513), (2779, 6902), (2842, 6749), (3451, 5558)]